Merge pull request #262 from behrad/master

TEST MERGE: Merge of high priority issue fixes and pull requests on top of version 0.6.2
7.0.3
Merge branch 'master' into develop
fix setting global redis/search options, callback based state changes
enable remove to be called provided no callbacks
- fix setting global redis/search options
- callback based state changes
- update dependencies
Merge branch 'master' of https://github.com/LearnBoost/kue